<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<script src="js/myFunc.js"></script>
<script>
   /* console.log(document.body.clientWidth, document.body.clientWidth);
    console.log(document.documentElement.clientWidth, document.documentElement.clientWidth);
    console.log(window.innerWidth, window.innerHeight);*/

   console.log(client().width, client().height);


</script>
</body>
</html>